*{
    margin: 0;
    padding: 0;
}
body {
    background: #dadada;
}
#app {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    width: 1000px;
    margin: 100px auto;
    .main-area {
        margin: 15px;  
        margin-bottom: 30px;
        text-align: center;
        h3{
            padding: 20px;
            border: 1px solid #000;
            border-bottom: 0;
            background: -webkit-linear-gradient(-60deg,#ee64ee,#0094ff);
            background: linear-gradient(150deg,#ee64ee,#0094ff,);
        }

    }
    .operater-area {
        display: flex;
        justify-content: space-evenly;
        button {
            margin: 0 10px;
            padding: 6px 18px;
            background: -webkit-linear-gradient(-45deg,#009688,#007755);
            background: linear-gradient(135deg,#009688,#007755);
            font-size: 18px;
            color: #fff;
            outline: 0;
            border: 0;
            cursor: pointer;
            border-radius: 10px;
            &:hover {
                outline:1px solid #fff;
                background:-webkit-linear-gradient(-45deg,#00aa88,#008855) ;
                background:linear-gradient(135deg,#00aa88,#008855) ;
            }
        }
    }
}
table,th,td {
    border: 2px solid #000;
    border-collapse: collapse;
    text-align: center;
}
table {
    width: 1000px;
    td {
        width: 20px;
        padding: 10px;
        font-size: 16px;
        background-color: #eaeaea;
        &.selected {
            background-color: #0094ff!important;
            color: #fff!important;
            border-radius: 20px/20px;
        }
        &.sp {
            background-color: #f00!important;
            color: #fff!important;
        }
        &.leader {
            font-weight: 700;
            background-color: #fff;
            color: #672;
            text-decoration: underline;
        }
        &.teacher {
            padding: 6px;
            font-weight: 700;
            font-size: 20px;
            background: -webkit-linear-gradient(45deg,rgba(50,250,155,1),rgba(20, 150, 255,.5));
            background: linear-gradient(45deg,rgba(50,250,155,1),rgba(20, 150, 255,.5));
        }
    }
}
.show-area {
    width: 100%;
    ul {
        margin-top: 30px;
        list-style: none;
        li {
            padding: 5px;
            border-bottom: 1px dotted #000;
            &:hover {
                background-color: rgba(255,93,0,.3);
            }
        }
    }
}
